PS:Suitable for SOOCAS X1/X3/X3U/X5 Features: 1. Soft DuPont bristles, well matched for touchy teeth to apply 2. Ultrasonic electrical toothbrush can efficiently remove plaque and reduce gingival necrosis. 3. Adopt DuPont American tynex typical zero bristles bristles,gently on your teeth. 4 bristle tip diameter, deep clear the distance between tooth five permitted via means of FDA and UV sterilized. 6 sealed packing, much more secure to use. 7 sealed packing,With filth cap. Tips 1 buy in keeping with the corresponding mannequin at the details web content 2 standard brush head, area to the received merchandise